Theory or system of presentation? -- The method of teaching harmony -- Consonance and dissonance -- The major mode and the diatonic chords -- The minor mode -- Connection of chords that have no common tone (Harmonisches Band) -- Some directions for obtaining better progressions ... -- Freer treatment of VII in major and minor -- Modulation -- Secondary dominants and other non-diatonic chords derived from the church modes -- Rhythm (Takt) and harmony -- Modulations: Continuation -- Relationship to the minor sub-dominant -- At the frontiers of tonality -- Modulation to the IInd, Vth, and VIth circles of fifthe ... -- Chorale harmonization -- "Non-harmonic" tones -- A few remarks concerning ninth chords -- Some additions and schematic presentations to round out the system -- The whole-tone scale and related five and six-part chords -- Chords constructed in fourths -- Aesthetic evaluation of chords with six or more tones